Commit 028f78a9 authored Nov 02, 2016 by Bobi Jam Committed by Greg Kroah-Hartman Nov 07, 2016

staging/lustre/llite: protect from accessing NULL lli_clob



Need to check file's lli_clob object before calling
lov_read_and_clear_async_rc().

Signed-off-by: Bobi Jam <bobijam.xu@intel.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Reviewed-on: http://review.whamcloud.com/23031
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8682


Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent a08a07c3

drivers/staging/lustre/lustre/llite/file.c

+5 −3

Original line number	Diff line number	Diff line
		@@ -2328,10 +2328,12 @@ int ll_fsync(struct file *file, loff_t start, loff_t end, int datasync)
		lli->lli_async_rc = 0;
		if (rc == 0)
		rc = err;
		if (lli->lli_clob) {
		err = lov_read_and_clear_async_rc(lli->lli_clob);
		if (rc == 0)
		rc = err;
		}
		}

		err = md_sync(ll_i2sbi(inode)->ll_md_exp, ll_inode2fid(inode), &req);
		if (!rc)